NSI Industries SPM4L Lugs are electrical lug assemblies from NSI Industries, designed for secure conductor terminations in electrical installations. The SPM4L designation identifies a specific lug variant within NSI’s catalog, suitable for connecting conductors in panels, distribution equipment, and other electrical assemblies. These lugs are used to establish reliable electrical terminations in standard wiring projects and serve as a component in NSI’s line of electrical lug products.
